Quality of visualization of the reconstructed parent artery with the PED using 3D-TOF MRA and CE-TR MRAa
| Technique | Mean | SD | 95% CI of Mean | Comparison with DSA (P Value) | Comparison with TR-MRA (P Value) |
|---|---|---|---|---|---|
| 3D-TOF MRA | 2.62 | 0.898 | 2.243–2.936 | .0001 | .0001 |
| CE-TR MRA | 3.81 | 0.694 | 3.464–4.162 | .344 | NA |
Note:—NA indicates not applicable.
↵a Five-point grading scale from 0–4 (0, very poor; 1, poor; 2, fair; 3, good; 4, excellent). DSA is considered the reference standard with a score of 4.